Math Problem Statement

The image contains various mathematical problems, including calculations of gradients, divergences, and curls of scalar and vector fields, solving differential equations, proving matrix identities, and solving simultaneous equations using the inverse matrix method.

Solution

Thanks for sharing the image. I'll extract and address the mathematical problems outlined in the image. Let me start working on solving these step by step.from PIL import Image import pytesseract

Load the image and apply OCR

image_path = '/mnt/data/1732168785253pnatbho7.jpg' text_from_image = pytesseract.image_to_string(Image.open(image_path))

text_from_image"se (ii area of the triangle.\n\n: (10 marks)\n\nane Given the scalar potential function D = ote 2 ye + 16 and the vector field function\n\nSoe aa a xyj i ae + x’yk, determine:\n\noS : 2) ee oO “grad ® ; oe\na div E;\n\nGi), “curl E,\n\n_atthe point (1, I, a ? (10 marks)\na ee oko ae a es 2 xy = y? oe\noe a e differentia equation Mk oto ay (8 marks) »\no “The Gs q avoted | ina ‘capacitor satisfies the differential equation\nnoc, aq an dq :\nSee cs ay oq sin t, given that at t=0, q = 4 and “dt — 3- Use the method —\n. of undetermined co-e effi cients to solve the equation. (12 marks)\n: [3 4 : on\n{2 5] and B ee Ape show that (AB)' = BTA’.\n1 6 . (8 marks)\n\n3 r nts hy ri Lb and I; in nal isciaes flowing in a circuit satisfy the\nsimulta eo ish: “equations:\n\nTA\n\n""se (ii area of the triangle.\n\n: (10 marks)\n\nane Given the scalar potential function D = ote 2 ye + 16 and the vector field function\n\nSoe aa a xyj i ae + x’yk, determine:\n\noS : 2) ee oO “grad ® ; oe\na div E;\n\nGi), “curl E,\n\n_atthe point (1, I, a ? (10 marks)\na ee oko ae a es 2 xy = y? oe\noe a e differentia equation Mk oto ay (8 marks) »\no “The Gs q avoted | ina ‘capacitor satisfies the differential equation\nnoc, aq an dq :\nSee cs ay oq sin t, given that at t=0, q = 4 and “dt — 3- Use the method —\n. of undetermined co-e effi cients to solve the equation. (12 marks)\n: [3 4 : on\n{2 5] and B ee Ape show that (AB)' = BTA’.\n1 6 . (8 marks)\n\n3 r nts hy ri Lb and I; in nal isciaes flowing in a circuit satisfy the\nsimulta eo ish: “equations:\n\nTA\n\n"successHere is the extracted text from the image:


  1. (10 marks)
    Given the scalar potential function
    Φ=x24+y29+z216\Phi = \frac{x^2}{4} + \frac{y^2}{9} + \frac{z^2}{16}
    and the vector field function
    F=xyj+4xzi+x2yk,F = x y \mathbf{j} + 4xz \mathbf{i} + x^2 y \mathbf{k},
    determine:
    (i) grad Φ\Phi;
    (ii) div FF;
    (iii) curl FF,
    at the point (1,1,2)(1, 1, 2).

  1. (8 marks)
    Solve the differential equation:
    dydx=2xyy2x22xy.\frac{dy}{dx} = \frac{2xy - y^2}{x^2 - 2xy}.

  1. (12 marks)
    The charge qq stored in a capacitor satisfies the differential equation
    d2qdt25dqdt+6q=sin(t),\frac{d^2q}{dt^2} - 5\frac{dq}{dt} + 6q = \sin(t),
    given that at t=0t = 0, q=4q = 4 and dqdt=3\frac{dq}{dt} = 3. Use the method of undetermined coefficients to solve the equation.

  1. (8 marks)
    Given the matrices B = \begin{bmatrix} 1 & 5 \\ 3 & 7 \end{bmatrix},$$ show that $$(AB)^T = B^T A^T$$.

  1. (12 marks)
    Three currents I1I_1, I2I_2, and I3I_3 in milliamperes flowing in a circuit satisfy the simultaneous equations: 3I_1 + 5I_2 - I_3 &= -1, \\ 2I_1 + 4I_2 + 3I_3 &= 2, \\ 4I_1 + 2I_2 - 2I_3 &= 12. \end{aligned}$$ Solve the equations using the inverse matrix method.

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Math Problem Analysis

Mathematical Concepts

Vector Calculus
Differential Equations
Linear Algebra
Matrix Operations

Formulas

Gradient: ∇Φ
Divergence: ∇·F
Curl: ∇×F
Matrix transpose properties
Inverse matrix method

Theorems

Gradient, Divergence, and Curl Theorems
Method of Undetermined Coefficients
Matrix Transpose Properties

Suitable Grade Level

Undergraduate (Year 1-2)